tests/test_ffi_java_generics.nit

   1 # This file is part of NIT ( http://www.nitlanguage.org ).
   2 #
   3 # Copyright 2014 Alexis Laferrière <alexis.laf@xymus.net>
   4 #
   5 # Licensed under the Apache License, Version 2.0 (the "License");
   6 # you may not use this file except in compliance with the License.
   7 # You may obtain a copy of the License at
   8 #
   9 #     http://www.apache.org/licenses/LICENSE-2.0
  10 #
  11 # Unless required by applicable law or agreed to in writing, software
  12 # distributed under the License is distributed on an "AS IS" BASIS,
  13 # WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
  14 # See the License for the specific language governing permissions and
  15 # limitations under the License.
  16
  17 module test_ffi_java_generics
  18
  19 import java
  20
  21 in "Java" `{
  22         import java.util.*;
  23         import java.util.concurrent.LinkedBlockingQueue;
  24 `}
  25
  26 extern class JavaQueueOfString in "Java" `{ java.util.Queue<String> `}
  27         new in "Java" `{
  28                 return new LinkedBlockingQueue<String>();
  29         `}
  30
  31         fun offer(o: JavaString) in "Java" `{ self.offer(o); `}
  32
  33         fun remove: JavaString in "Java" `{ return self.remove(); `}
  34
  35         redef fun output in "Java" `{
  36                 for (String s: self) {
  37                         System.out.println(s);
  38                 }
  39         `}
  40 end
  41
  42 var ll = new JavaQueueOfString
  43 ll.offer "a".to_java_string
  44 ll.offer "b".to_java_string
  45 ll.offer "c".to_java_string
  46 ll.offer "d".to_java_string
  47 ll.offer "e".to_java_string
  48 ll.offer "f".to_java_string
  49 ll.output
  50 print "remove: " + ll.remove.to_s
  51 print "remove: " + ll.remove.to_s
  52 print "remove: " + ll.remove.to_s
  53 print "remove: " + ll.remove.to_s
  54 ll.output